pub type PFN_DIAL_HANDLER = Option<unsafe extern "system" fn(param0: HWND, param1: PCSTR, param2: u32, param3: *mut u32) -> u32>;
Expand description

Required features: "Win32_Foundation"

Aliased Type§

enum PFN_DIAL_HANDLER {
    None,
    Some(unsafe extern "system" fn(_: isize, _: *const u8, _: u32, _: *mut u32) -> u32),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: isize, _: *const u8, _: u32, _: *mut u32) -> u32)

Some value of type T.